OnePlus 15 vs Redmi K70 Ultra
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K70 Ultra (2024) runs on the MediaTek Dimensity 9300+; launch prices were $799 and $375. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 68/100 (a 18-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 5500); the OnePlus 15 is faster in AnTuTu (4,008,294 vs 2,384,849).
Profile comparison
Category scores
OnePlus 15
Redmi K70 Ultra
What makes OnePlus 15 better?
- Higher AnTuTu: 4008294 vs 2384849
- Better Geekbench Single: 3639 vs 2249
- Better Geekbench Multi: 11047 vs 7352
- Bigger battery: 6500 vs 5500 mAh
- Higher performance (98/100 vs 83/100)
- Better camera (78/100 vs 37/100)
- Longer battery life (89/100 vs 70/100)
- Better portability (50/100 vs 46/100)
What makes Redmi K70 Ultra better?
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $375 vs $799
- Better display (93/100 vs 84/100)
Comparison verdict
Comparing the OnePlus 15 vs the Redmi K70 Ultra, the OnePlus 15 scores 18 points higher (86/100 vs 68/100). In the "performance" category, the OnePlus 15 leads (98/100 vs 83/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 37/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 70/100). Value score: OnePlus 15 — 86/100, Redmi K70 Ultra — 66/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus 15 notably outperforms the Redmi K70 Ultra (98/100 vs 83/100). In the "display" category, the Redmi K70 Ultra is a bit better (93/100 vs 84/100). In the "camera" category, the OnePlus 15 significantly outperforms the Redmi K70 Ultra (78/100 vs 37/100). In the "battery" category, the OnePlus 15 notably outperforms the Redmi K70 Ultra (89/100 vs 70/100). In the "portability" category, the OnePlus 15 and the Redmi K70 Ultra are nearly equal (50/100 vs 46/100).
Specs comparison
| Specification | OnePlus 15 | Redmi K70 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 9300+ | |
| AnTuTu | 4008294 | 2384849 | |
| Geekbench Single | 3639 | 2249 | |
| Geekbench Multi | 11047 | 7352 | |
| Display | 6.8" AMOLED | 6.7" OLED | |
| Resolution | 1272x2772 | 1220x2712 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 6500 mAh | 5500 mAh | |
| Charging | 120W | 120W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB / 24GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 14 | |
| Brightness (peak) | 1800 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 161.4×76.7×8.1 mm | 160.4×75.1×8.4 mm | |
| Weight | 213 g | 213 g | |
| Launch price | $799 | $375 |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K70 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Redmi K70 Ultra
- 6.7" OLED
- Resolution: 1220x2712
- Refresh rate: 144 Hz
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Redmi K70 Ultra
- 5500 mAh
- Wired: 120W
- No wireless charging
Overall performance score
We compared OnePlus 15 and Redmi K70 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15 leads Redmi K70 Ultra by 68.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $424. Redmi K70 Ultra was $424 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15 notably outperforms the Redmi K70 Ultra (98/100 vs 83/100).
display
In the "display" category, the Redmi K70 Ultra is a bit better (93/100 vs 84/100).
camera
In the "camera" category, the OnePlus 15 significantly outperforms the Redmi K70 Ultra (78/100 vs 37/100).
battery
In the "battery" category, the OnePlus 15 notably outperforms the Redmi K70 Ultra (89/100 vs 70/100).
portability
In the "portability" category, the OnePlus 15 and the Redmi K70 Ultra are nearly equal (50/100 vs 46/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Redmi K70 Ultra?
The OnePlus 15 is noticeably better than the Redmi K70 Ultra — the overall rating gap is 18 points.
What is the rating of the OnePlus 15 and the Redmi K70 Ultra?
The OnePlus 15 has a MobileRank rating of 86/100, the Redmi K70 Ultra — 68/100.
Which has the better camera: the OnePlus 15 or the Redmi K70 Ultra?
The OnePlus 15 leads on camera score (78/100 vs 37/100).
Which is more powerful: the OnePlus 15 or the Redmi K70 Ultra?
The OnePlus 15 leads on performance (98/100 vs 83/100).
Should you choose the OnePlus 15 over the Redmi K70 Ultra?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi K70 Ultra is a better fit for gamers and power users.